<template>
  <div>
    <!-- 面包屑 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片 -->
    <el-card>
      <!-- 2 -->
      <div id="main" style="width: 600px; height: 400px"></div>
    </el-card>
  </div>
</template>

<script >
  // 1.引入
let echarts = require('echarts');
import _ from 'lodash'
export default {
  data() {
    return {
      // 需要合并的对象
      option : {
      title: {
        text: "ECharts 入门示例",
      },
      tooltip: {},
      legend: {
        data: ["销量"],
      },
      xAxis: {
        data: ["衬衫", "羊毛衫", "雪纺衫", "裤子", "高跟鞋", "袜子"],
      },
      yAxis: {},
      series: [
        {
          name: "销量",
          type: "bar",
          data: [5, 20, 36, 10, 10, 20],
        },
      ],
    }
    };
  },
  created() {},
  // 需要等元素加载完再引用图形
 async mounted() {
    // 3.基于准备好的dom，初始化echarts实例
    var myChart = echarts.init(document.getElementById("main"));

   const {data:res}  = await this.$http.get('reports/type/1')
   if(res.meta.status !==200) {
    return this.$message.error('获取数据失败')
   }

    // 4.指定图表的配置项和数据
const result =  _.merge(res.data,this.options)

    // 5.使用刚指定的配置项和数据显示图表。
    myChart.setOption(result);
  },
  methods: {},
};
</script>

<style lang="less" scoped>
</style>